Absolute maximum ratings
Exceeding the values given below may cause permanent damage to the module.
Operating temperature
Storage temperature
-20°C to +70°C
-40°C to +100°C
TX3A
Vcc (pin 5)
TXD (pin 7)
En (pin 4)
RF OUT (pin 2)
-0.3V to +16V
±7V
-0.3V to +Vcc V
±50V DC, +10dBm RF
RX3A
Vcc, RXD (pins 7,9)
En (pins 4)
RSSI, AF (pins 5, 8)
RF IN (pin 1)
-0.3V to +16V
-0.3V to +Vcc V
-0.3V to +3V
±50V DC, +10dBm RF
Performance specifications:
TX3A transmitter
(Vcc = 3.0V / temperature = 20°C unless stated)
pin
min.
typ.
max.
units
notes
DC supply
Supply voltage
Supply current
5
5
2.2
3.0
7.5
16
9.5
V
mA
1,6
2
RF
RF power output @ Vcc = 2.2V
RF power output @ Vcc ≥ 2.8V
Harmonics / spurious emissions
Initial frequency accuracy
FM deviation (peak)
2
2
2
-1
0
-55
0
dBm
dBm
dBc
kHz
kHz
2
2
3
-45
+25
-25
0
±30
4
Baseband
Modulation bandwidth @ -3dB
Modulation distortion (THD)
TXD input level (logic low)
TXD input level (logic high)
35
10
+0.2
+3
kHz
%
V
5
0
+2.5
6
5,6
5,6
7
7
-0.2
+2.3
V
Dynamic timing
Power-up time (En → full RF)
1.0
1.5
ms
Notes:
1. RF output is automatically disabled below 2.2V supply voltage.
2. RF output terminated with 50Ω resistive load.
3. Meets or exceeds EN/FCC requirements at all frequencies.
4. With 0V – 2.5V modulation input.
5. To achieve specified FM deviation.
6. See applications information for further details.
Radiometrix Ltd, TX3A & RX3A Data Sheet
page 4
RADIOMETRIX [ RADIOMETRIX LTD ]
